Mensa Mensa IQ Critical Thinking and Problem Solving 5

Question 1

Tom is older than Sam. Sam is older than Kay. Kay is older than Lou. Who is the youngest?

Accepted Answer

Lou

Answer

The chain Tom > Sam > Kay > Lou places Lou as the youngest.

Question 2

What comes next in the sequence? Z, X, V, T, R, ?

Accepted Answer

P

Answer

Each letter skips one letter backward in the alphabet: Z, X, V, T, R, P.

Question 3

A snail climbs 3 feet up a 10-foot well each day but slides back 2 feet each night. On which day does it reach the top?

Accepted Answer

8th

Answer

The snail gains 1 net foot per day, reaching 7 feet after 7 nights; on day 8 it climbs 3 more feet to 10 feet and escapes.

Question 4

Which word does NOT belong? Robin, Eagle, Sparrow, Bat, Finch

Accepted Answer

Bat

Answer

A bat is a mammal, while all the others are birds.

Question 5

If 5 machines take 5 minutes to make 5 widgets, how long does it take 100 machines to make 100 widgets?

Accepted Answer

5 minutes

Answer

Each machine makes 1 widget in 5 minutes regardless of how many machines are running.

Mensa Practice Test